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  <title>获取全部 HTTP 请求头信息</title>
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  <div id="layout-content"><div id="function.getallheaders" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">getallheaders</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">getallheaders</span> &mdash; <span class="dc-title">获取全部 HTTP 请求头信息</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.getallheaders-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>getallheaders</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
   获取当前请求的所有请求头信息。
  </p>
  <p class="para">
   此函数是 <span class="function"><a href="apache_request_headers.html" class="function">apache_request_headers()</a></span>的别名。
   请阅读 <span class="function"><a href="apache_request_headers.html" class="function">apache_request_headers()</a></span>
   文档获得更多信息。
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.getallheaders-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   包含当前请求所有头信息的数组，失败返回
   <strong><code>FALSE</code></strong> 。
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.getallheaders-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.5.7</td>
       <td>
        此函数可用于 CLI server。
       </td>
      </tr>

      <tr>
       <td>5.4.0</td>
       <td>
        此函数可用于 FastCGI。 此前仅在PHP以 Apache 模块方式运行时支持。
       </td>
      </tr>

      <tr>
       <td>4.3.3</td>
       <td>
        <p class="para">从
PHP 4.3.3 起，也可在 Netscape/iPlanet/SunONE Web 服务器的 
<a href="book.nsapi.html" class="link">NSAPI 服务器模块</a>使用此函数。</p>
       </td>
      </tr>

      <tr>
       <td>4.3.0</td>
       <td>
        被改名而成为 <span class="function"><a href="apache_request_headers.html" class="function">apache_request_headers()</a></span> 的别名。因为此函数仅适用于 Apache 。
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.getallheaders-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5823">
    <p><strong>Example #1 <span class="function"><strong>getallheaders()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">foreach&nbsp;(</span><span style="color: #0000BB">getallheaders</span><span style="color: #007700">()&nbsp;as&nbsp;</span><span style="color: #0000BB">$name&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"</span><span style="color: #0000BB">$name</span><span style="color: #DD0000">:&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.getallheaders-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="apache_response_headers.html" class="function" rel="rdfs-seeAlso">apache_response_headers()</a> - 获得全部 HTTP 响应头信息</span></li>
   </ul>
  </p>
 </div>

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